-2×25+25×52+48×25 = 11×11×-7+-7×25-15×-7= di tulis sama cara nya

Gunakan cara distributif agar lebih mudah

-2 ÷ 25 + 25 × 52 + 48 × 25
= 25 × (-2 + 52 + 48)
= 25 × 98
= 2450

11 × 11 × -7 + 7 × 25 - 15 × -7
= -7 × (11×11 + 25 - 15)
= -7 × 131
= -917